G05D 2111/20
Acoustic signals
Official title: Acoustic signals, e.g. ultrasonic signals
G05D2111/20 (Acoustic signals) appears on 65 US grants and 152 published applications in this corpus.
Search patents in G05D- Granted patents
- 65
- Published applications
- 152
- Assignees
- 100
- Inventors
- 376
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 4 |
| 2020 | 2 | 1 |
| 2021 | 4 | 2 |
| 2022 | 0 | 4 |
| 2023 | 6 | 14 |
| 2024 | 3 | 30 |
| 2025 | 19 | 51 |
| 2026 | 21 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus control device, apparatus control method, and recording medium29 Sep 2026US 12,746,690 B2Casio Computer Co., Ltd.
- Underwater cleaning robot15 Sep 2026US 12,735,910 B2Mariner 3S AG
- Architecture for autonomous school safety robots with behavior reinforcement1 Sep 2026US 12,724,419 B2RedCritter Corp.
- Method for determining a position deviation, a positioning system and an underwater vehicle1 Sep 2026US 12,724,420 B2Saab AB
- Apparatuses, methods, and systems for supervising remotely operated vehicles over sparse datalinks25 Aug 2026US 12,717,334 B2Greensea Systems, Inc.
- Map-less localization and autonomous navigation of mobile robots1 Oct 2026US 2026/0299586 A1Anram Holdings
- Mapping system for material delivery system including autonomous mobile robot for generating and updating a facility map for distribution to load-bearing autonomous mobile robots1 Oct 2026US 2026/0299589 A1GM Global Technology Operations LLC
- Wired drone for treating a surface by spraying a treatment fluid1 Oct 2026US 2026/0299617 A1Fly Renov
- Ascertaining at Least One Border for Operating a Robot10 Sep 2026US 2026/0267343 A1KUKA Deutschland GmbH
- Autonomous golf vehicle system27 Aug 2026US 2026/0252076 A1Textron Inc.
Most cited
By later US patents
- Travel control method, travel control device, and mobile robot for mobile robot systems231US 5,179,329 AShinko Electric Co., Ltd. · 1993
- Autonomous machine213US 7,085,624 B2Dyson Technology Limited · 2006
- Travel control method, travel control device, and mobile robot for mobile robot systems174US 5,568,030 AShinko Electric Co., Ltd. · 1996
- System for underwater navigation and control of mobile swimming pool filter131US 5,569,371 AMaytronics Ltd. · 1996
- Travel control method, travel control device, and mobile robot for mobile robot systems73US 5,488,277 AShinki Electric Co., Ltd. · 1996